Robust quay walls for Amsterdam

The maintenance work is overdue on many quay walls in Amsterdam. One quay has even collapsed; some others are subsiding, with all the inevitable consequences for people and traffic. Deltares is helping the city of…

Policy support regarding PFAS in subsurface and sediments

Following on from a number of incidents such as the industrial PFOA and GenX discharges and a PFOS incident at Schiphol, there has been a significant increase in 2018 in interest from the dredging and…

New pile installation method for offshore wind monopiles

Offshore (wind) energy

  Monopiles are one of the most common foundation designs in offshore wind construction due to their ease of installation in shallow to medium depths of water. The dominant method  used to drive monopiles into the seabed is the…

Remediation of residual pollution using nature-based techniques (RESANAT)

Deltares is working with several partners from the Netherlands and Flanders – with the Flemish Authority for Waste Treatment (OVAM) as the manager of the project – on the RESANAT project (Remediation of Residual Pollution…

Overtopping wave impacts on storm walls and buildings situated on top of a dike (WALOWA)

Coastal and River Structures

Design guidance for wave impacts on structures situated on top of a dike are typically developed for relatively deep water conditions. However, in Countries like Belgium, The Netherlands, the Adriatic coast in Italy and Germany…

ROBAMCI: a system-oriented and risk-based method for managing water infrastructure

Rijkswaterstaat, water authorities and municipal authorities invest about 16 billion euros annually in the construction, management and maintenance of infrastructure such as roads, dikes, waterways, sewers, cables, pipelines and other engineering structures (Den Heijer, 2020). Approximately…

Climate change in relation to vector borne diseases – One Health PACT

Human health needs knowledge about water and the subsurface

Outbreaks of (new) infectious diseases in humans and animals are occurring more often and worldwide. That is linked to various factors, such as international trade and travelling, population growth and climate change. In the Netherlands,…

Sustainable decommissioning of offshore wind turbine foundations

Offshore (wind) energy

The limited lifetime of offshore wind farms requires an efficient and safe decommissioning. The project Hydraulic Pile Extraction Scale Tests (HyPE-ST) studied the option of removal of offshore wind turbine foundations (monopiles) in a sustainable…

Caisson Placement at Chioggia Inlet, Venice

Coastal and River Structures

Physical modelling of the placement of the Venice Flood Barrier gate caissons at the Chioggia Inlet. The Venice Flood Barrier consists of 20 m wide steel gates that are resting on the sea floor in…